Washoe County Library System

Max and his brothers drive to Shapeville and Count Town searching for problems, and are able to use their skills in arithmetic and sleuthing to help get things ready for a rocket launch.

Annoyed with his math teacher who assigns word problems and won't let him use a calculator, twelve-year-old Robert finds help from the number devil in his dreams.

When 7 is accused of eating 9, worried 6 hires a detective to investigate.

When Seven eats One through Nine to become the best number, only One has the quick wit to save the numbers and bring the group back together again.

A humorous, rhythmic, read-aloud story about a boy who awakens to find that everything around him is odd. He has three sleeves on his shirt, and his dog has five legs... Things are no better at school either. Will his odd day end when he goes to bed that night? Includes "For Creative Minds" section with odd fun facts and number games.

Do you grasp the basics of whole numbers? Find out by taking Whole Numbers: Level 1, Practice Set 2. Detailed answer explanations for each question help you identify areas that need work.

Do you grasp the basics of whole numbers? Find out by taking Whole Numbers: Level 1, Practice Set 4. Detailed answer explanations for each question help you identify areas that need work.

Do you grasp the basics of whole numbers? Find out by taking Whole Numbers: Level 1, Practice Set 1. Detailed answer explanations for each question help you identify areas that need work.

Improve your skills in whole numbers by taking Whole Numbers: Level 2, Practice Set 1. At the end of the practice set, get an instant score report that measures your understanding of concepts like order of operations and factoring.

Do you grasp the basics of whole numbers? Find out with this instantly scored practice set. Complete answer explanations for each question help you work through each problem, and a detailed score report will help you identify areas that need work.